Pith Number

pith:TUX3VIDF

pith:2021:TUX3VIDFV6TYWBL4ELUWFTOTL5

not attested not anchored not stored refs pending

Persistent Non-Gaussian Structure in the Image of Sagittarius A* at 86 GHz

A. Broderick, A. Chael, A. Hern\'andez-G\'omez, C. D. Brinkerink, D. Hughes, D. P. Marrone, E. Liuzzo, E. Ros, G. C. Bower, H. Falcke, I. Cho, J. L. G\'omez, J. M. Moran, J. Wagner, K. Akiyama, K. Rygl, L. Blackburn, L. Loinard, M. D. Johnson, M. Kino, M. Wielgus, P. Tiede, S. Issaoun, S. Markoff, S. S. Doeleman, T. P. Krichbaum, Y. Mizuno, Y. Pidopryhora, Z.-Q. Shen

arxiv:2104.07610 v1 · 2021-04-15 · astro-ph.GA · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TUX3VIDFV6TYWBL4ELUWFTOTL5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T02:59:18.878103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d2fbaa065afa78b057c22e962cdd35f6d08dc5660dd974ffa7c12a809c20c4f

Aliases

arxiv: 2104.07610 · arxiv_version: 2104.07610v1 · doi: 10.48550/arxiv.2104.07610 · pith_short_12: TUX3VIDFV6TY · pith_short_16: TUX3VIDFV6TYWBL4 · pith_short_8: TUX3VIDF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/TUX3VIDFV6TYWBL4ELUWFTOTL5 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9d2fbaa065afa78b057c22e962cdd35f6d08dc5660dd974ffa7c12a809c20c4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb2f3c33fbadfcf98a801e14d4a5154db94e780140e1a3b59828b512005490a5",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-04-15T17:21:48Z",
    "title_canon_sha256": "d6a64eb03b9ad299a82bfd45f2e4211b84bc257aaa1c934a00efa3afb3cccce0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07610",
    "kind": "arxiv",
    "version": 1
  }
}